Building Blocks

<p>Applications 3,6-Bis(hydroxymethyl)-2,5-piperazinedione is an intermediate in the synthesis of impurities of Cycloserine (C988800), an antibacterial agent.<br>References Shields, J. E., et al.: Biochem., 5, 1041 (1966); Hidy, P.H., et al.: J. Am. Chem. Soc., 77, 2345 (1955);<br></p>

<p>Impurity Naratriptan pyridinium Impurity<br>Stability Hygroscopic<br>Applications Naratriptan (N378730) impurity.<br></p>

<p>Applications 4-(p-Iodophenyl)butyric Acid is a reactant involved in the synthesis of meta- and paracyclophanes containing unsaturated amino acids and intramolecular Friedel-Crafts reactions for synthesis of 1-tetralones.<br>References Gibson, S., et al.: Tetrahedron, 60, 6945 (2004); Cui, D., et al.: Tetrahedron Lett., 44, 4007 (2003)<br></p>

<p>Applications 4-Iodophenylhydrazine, HCl<br></p>

<p>Applications Adipic Acid Monoethyl Ester is used in the selection of streptavidin binder from DNA-encoded chemical library. Reagent in the synthetic preparation of colchicine-SAHA hybrids as antitumor agents.<br>References Dumelin, C. E., et al.: Bioconjugate Chemistry, 17,366 (2006); Zhang, X., et al.: Bioorg. Med. Chem., 21, 3240 (2013)<br></p>

<p>Stability Hygroscopic<br>Applications Dimethylaminoethanol is used as a curing agent for polyurethanes and epoxy resins. It is also used in mass quantities for water treatment, and to some extent in the coatings industry. It is used in the synthesis of dyestuffs, textile auxiliaries, pharmaceuticals, emulsifiers, and corrosion inhibitors. It is also an additive to paint removers, boiler water and amino resins.<br> Not a dangerous good if item is equal to or less than 1g/ml and there is less than 100g/ml in the package<br>References Littel, R., et al.: J. Chem. Eng. Data, 35, 276 (1990); Sanders, M., et al.: J. Phys. Chem. A, 113, 10143 (2009); Zahniser, N., et al.: J. Pharmacol. Exp. Ther., 200, 545 (1977);<br></p>

<p>Applications 2-Methylvaleraldehyde (cas# 123-15-9) is a useful research chemical.<br> Not a dangerous good if item is equal to or less than 1g/ml and there is less than 100g/ml in the package<br></p>

<p>Impurity Solifenacin EP impurity A<br>Applications Solifenacin (S676700) intermediate.<br>References Andersson, K., et al.: Drugs, 35, 477 (1988), Wallis, R., et al.: Life Sci., 64, 395 (1999), Mitsuya, M., et al.: J. Med. Chem., 43, 5017 (2000), Ohtake, A., et al.: Eur. J. Pharmacol., 492, 243 (2004),<br></p>

<p>Applications 4-Acetylpyridine is a acetylated pyridine used in the preparation of nitrogen containing bicyclic heterocycles and other organic compounds. 4-Acetylpyridine is also present in mainstream cigarette smoke.<br>References Kulshreshtha, N.P. et al.: J. Chrom. A, 985, 303 (2003); Scian, M. et al.: Inhal. Toxicol., 21, 1040 (2009);<br></p>

<p>Stability Explodes When Heated<br>Applications 2-Cyanoethyl N,N,N’,N’-Tetraisopropylphosphoramidite (cas# 102691-36-1) is a compound useful in organic synthesis.<br> Not a dangerous good if item is equal to or less than 1g/ml and there is less than 100g/ml in the package<br></p>

<p>Applications Acrolein Diethyl Acetal is used as a reagent in quinoline synthesis by improved Skraup-Doebner-Von Miller reactions.<br> Not a dangerous good if item is equal to or less than 1g/ml and there is less than 100g/ml in the package<br></p>

<p>Stability Moisture Sensitive<br>Applications Palmitoyl Chloride was used as a polymeric carriers for plasmid DNA (pDNA) delivery to 293T cells.<br>References Remant, B.K.C., et al.: J. Biomaterials. Sci. Poly. Ed., 22, 873 (2011); Allard, E., et al.: Int. J. Pharma., 379, 217 (2009);<br></p>